MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains numerous embedded links, a common tactic for SEO poisoning and redirecting users to malicious sites. The primary malicious URL identified is https://ttraff.club/wix?keyword=analytical+chemistry+1+book+pdf, which is flagged as a malicious redirector. The document body, though heavily obfuscated, contains text related to 'analytical chemistry 1 book pdf', suggesting a lure to disguise the malicious intent. The ML classifier strongly indicates maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://ttraff.club/wix?keyword=analytical+chemistry+1+book+pdf
- https://static.usrfiles.com/ugd/90423f_3a5f7a9b065f411994e8c37f49d02c91.pdf
- https://static.usrfiles.com/ugd/b8c837_d9acda9ffa934ff98a9452f81e46c4aa.pdf
- https://static.usrfiles.com/ugd/51c472_a7ba2132d098421399cf812d0f40c588.pdf
- https://static.usrfiles.com/ugd/38eac1_a6cf3c3fc88d43a1847b3f4b41e31257.pdf
- https://static.usrfiles.com/ugd/d775a9_5605f73714924f8e86e3383f51da7942.pdf
- https://static.usrfiles.com/ugd/b8c837_adf2ac53552b41a4b979e46e9bfcefbb.pdf
- https://cdn.shopify.com/s/files/1/0432/6529/4504/files/ansiedade_autocontrole_augusto_cury.pdf
- https://cdn.shopify.com/s/files/1/0434/2143/4005/files/kikugopalofebikidana.pdf
- https://cdn.shopify.com/s/files/1/0438/9978/1288/files/iris_goo_goo_dolls_mp3.pdf
- https://cdn.shopify.com/s/files/1/0430/0718/0959/files/clemente_center_fit.pdf
- https://cdn.shopify.com/s/files/1/0431/6132/1634/files/36197540675.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/dosadibevejigavo.pdf
- https://cdn.shopify.com/s/files/1/0452/2229/7760/files/xepifuzagamezenokotadul.pdf
- https://cdn.shopify.com/s/files/1/0430/3588/5725/files/alter_ego_plus_2_free_download.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/romiket.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000057e1.bin5fff5d33b453344520e7fe89b64402329860053a4e1558a5d823bb068389fa21 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x57E1 | 5744 bytes |
font_01_sfnt_off00006b4b.bin2b379281159e637c65d9674fc60f0be2f7163bce0a21790afd3d679d932a8fbf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B4B | 10200 bytes |
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